Pricing$0.10/1k emailsFree within EC2 (62k/mo)Dedicated IPs from $25/mo
Free trial (100 emails/day)$35/mo Foundation$90/mo ScaleCustom Enterprise
SDK Languagespythonjavascriptgojavarubycsharpphp
pythonjavascriptgojavarubycsharpphp
Compliancesoc2hipaagdprpci-dssiso27001
Best ForCheapest option at scale for AWS-native stacks — pay-per-email pricing with no monthly minimums
Email API with strong inbound email parsing — useful for agents that need to receive and process emails, not just send
LimitationsBare-bones developer experience; no built-in templates or analytics dashboard; setup requires DNS configuration and sending reputation warm-up; support requires AWS support plan
Free tier is limited to a trial period; UI is less polished than competitors; owned by Sinch, product direction less predictable